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Finding the Fourth Proportional to 473,201.76, 653,019.66 and 258,343.59

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Solution

The fourth proportional to 473,201.76, 653,019.66 and 258,343.59 is: 356,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,201.76 : 653,019.66 = 258,343.59 : x
  2. Step 2: Convert to fraction form
    473,201.76/653,019.66 = 258,343.59/x
  3. Step 3: Cross multiply
    473,201.76x = 653,019.66 × 258,343.59
  4. Step 4: Simplify right side
    473,201.76x = 168,703,443,304.98
  5. Step 5: Solve for x
    x = 168,703,443,304.98/473,201.76
  6. Step 6: Final answer
    x = 356,514.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.